If the cost price is 80% of the selling price, then what is the profit in percentage?
Given, cost price is 80% of selling price
C.P = 0.8 S.P
Profit = $$\ \frac{\ S.P\ -\ C.P}{C.P}\times\ 100$$
= $$\ \frac{\ S.P\ -\ 0.8S.P}{0.8S.P}\times\ 100$$
=$$\ \frac{0.2}{0.8}\times\ 100$$
= 25%
Answer is option B
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